Ann Renee Collier, MD - Medicare Allergy/immunology in Oak Brook, IL

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Ann Renee Collier, MD is a medicare enrolled "Allergy & Immunology" physician in Oak Brook, Illinois. She graduated from medical school in 2001 and has 23 years of diverse experience with area of expertise as Allergy/immunology. She is a member of the group practice Duke Health Integrated Practice Inc and her current practice location is 120 Oakbrook Ctr, Suite 424, Oak Brook, Illinois. You can reach out to her office (for appointments etc.) via phone at (630) 574-0460.

Ann Renee Collier is licensed to practice in Illinois (license number 036118702) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1891863411.

Contact Information

Ann Renee Collier, MD
120 Oakbrook Ctr, Suite 424,
Oak Brook, IL 60523-1806
(630) 574-0460
(630) 574-0470

Map and Direction




Physician's Profile

Full NameAnn Renee Collier
GenderFemale
SpecialityAllergy/immunology
Experience23 Years
Location120 Oakbrook Ctr, Oak Brook, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ann Renee Collier graduated from medical school in 2001
  NPI Data:
  • NPI Number: 1891863411
  • Provider Enumeration Date: 12/01/2006
  • Last Update Date: 12/28/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 4587766506
  • Enrollment ID: I20160322000511

Medical Identifiers

Medical identifiers for Ann Renee Collier such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891863411NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080P0201XPediatrics - Pediatric Allergy/immunology 35084568 (Ohio)Secondary
207K00000XAllergy & Immunology 036118702 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Duke University HospitalDurham, NCHospital
Duke Regional HospitalDurham, NCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Duke Health Integrated Practice Inc83254127372551

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ann Renee Collier allows following entities to bill medicare on her behalf.
Entity NamePrivate Diagnostic Clinic Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457389033
PECOS PAC ID: 1355254368
Enrollment ID: O20031204000577
Entity NameDuke Health Integrated Practice Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205553369
PECOS PAC ID: 8325412737
Enrollment ID: O20230327002247

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ann Renee Collier is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ann Renee Collier, MD
120 Oakbrook Ctr, Suite 424,
Oak Brook, IL 60523-1806

Ph: (630) 574-0460		Ann Renee Collier, MD
120 Oakbrook Ctr, Suite 424,
Oak Brook, IL 60523-1806

Ph: (630) 574-0460

Reviews and Comments


Allergy & Immunology Doctors in Oak Brook, IL


Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.